【His grandfather died()December 12th ,1980.A:at】

发布时间:2021-03-20 03:51:55

His grandfather died()December 12th ,1980.A:at B:on C:in

网友回答

B请及时采纳,多谢!
======以下答案可供参考======
供参考答案1:
on供参考答案2:
B供参考答案3:
B.包括日期年份的用On
供参考答案4:
on只要具体到某一天,有天出现就用on
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